package com.zhuang.spring.xml;

/**
 * description: Calculator
 * date: 2022/10/6 21:13
 * author: Zhuang
 * version: 1.0
 */
public interface Calculator {

    int add(int i, int j);

    int sub(int i, int j);

    int mul(int i, int j);

    int div(int i, int j);

}
